Dialogue Bulk SMS

Dialogue provides interactive services for mobile messaging and mobile billing. Dialogue’s bulk SMS API product lets users send bulk SMS text messages to global networks from their applications using an SMS gateway platform. Users can connect to Dialogue’s SMS gateway platform with one of the following SMS API interfaces: HTTP, SOAP, SMTP, SMPP. Developers must contact Dialogue for API documentation.
Dialogue Bulk SMS

Sendinc SMTP

Sendinc offers web based email encryption services. With Sendinc users can compose and send encrypted email messages using their own email address. Recipients can then view messages by clicking on a link in a secure email sent to them and logging in with their own Sendinc account. Sendinc’s API provides a simple way to integrate secure email into web and software applications. The SMTP API allows developers to implement Sendinc’s email encryption service into their application.
Sendinc SMTP

ViaNett

ViaNett offers commercial services for sending and recieving SMS messages. The ViaNett API allows developers the ability to integrate the messaging gateway in their application, site or system. With the API users can send many types of messages including ordinary text, binary and MMS messages. Functionality includes bulk SMS delivery, two way SMS, SMS billing, status reports are more. API connectivity is provided for HTTP, YAP, SMPP, SMTP, SOAP, FTP and more. Responses are formatted in XML.
ViaNett

Amazon SES

Amazon Simple Email Service, or SES, provides cloud-based email as a service. Amazon SES simplifies sending emails from applications being hosted on services such as Amazon EC2. Because email services are often used by spammers, Amazon SES provides each user with a quota. EC2 users can send 2,000 emails per day for free. The service allows developers to send either raw email or formatted email using Amazon's SMTP servers. Any spam complaints or other issues bubble back up to the developer. Similar to other Amazon Web Services, Amazon SES charges per gigabyte for transfer in and out of its systems.
Amazon SES

Geosion mobile SMS

Geosion mobile SMS API allows users to integrate their applications and web-services to the Geosion network and manage their campaigns. Geosion offers their customers access to HTTP, SMPP & SMTP API’s. Geosion has a high performance network SMS messaging in Spain, and provides to businesses, enterprises and content providers with access to our network using SMS applications. Public documentation of the API is not available.
Geosion mobile SMS

Panacea Mobile Bulk SMS

The Panacea Mobile Bulk API enables users to interface directly with an application or web-services in order to communicate with customers. Panacea Mobile is a mobile services company servicing an umbrella of requirements. They specialize in the entire mobile value chain, from the development of software through to the delivery of bulk SMS via an advanced SMS Gateway. Users can access HTTP, SMPP & SMTP APIs. With Panacea Mobile's SMS Gateway, users can send high volume 2-way SMS to any destination in the world. In addition to interfacing with applications users can also set delivery reports.
Panacea Mobile Bulk SMS

Postmark

Delivers and tracks transactional emails for web applications. Replaces SMTP/sendmail on the server and provides a reliable and scalable environment. In addition, you can track statistics for number of emails sent, bounces and spam complaints. The API uses RESTful protocol and responses are formatted in JSON.
Postmark

Google Gmail OAuth

Google Gmail now supports the standard IMAP and SMTP protocols for accessing and sending e-mail messages. The Gmail IMAP and SMTP servers have been extended to support authorization via the industry-standard OAuth protocol. This allows third party applications to access a user's email account with their permission.
Google Gmail OAuth

Clickatell SMTP

One of seven SMS APIs offered by Clickatell. Clickatell covers over 819 networks in more than 220 countries. You will be able to send SMS messages around the world to your clients, staff or user-database. All Clickatell APIs support text, Unicode, binary SMS and flash messaging. SMTP provides connectivity from legacy server, particularly server-generated e-mail. As an industry standard used by operators for high-volume messaging, SMTP is particularly useful for notification alerts. It gives you support for extended length messages, converters, delivery acknowledgements and sender ID, and allows you to set up batch sending. SMTP further provides access to gateway escalation and queuing.
Clickatell SMTP

SendGrid

SendGrid's cloud-based email helps keep emails out of spam folders, provides a cloud service that scales with email demands, and provides email analytics to track opens and clicks. SendGrid has a Web API that allows customers to retrieve information about their account such as statistics, bounces, spam reports, unsubscribes, and other information. In addition, the Web API allows customers to create sub-accounts and control the settings of these accounts for an OEM setup. With the SendGrid API, developers can: * Get real-time web hooks for events such as bounces, clicks, and unsubscribes * Send multiple emails and customize plugins * Access parsed incoming emails with attachments * Write plugins to alter emails or deliver to other mediums * Manage subscriptions for resellers and subusers